#include<iostream>
#include<vector>
#include<string>
using namespace std;

vector<int>add(vector<int>&A , vector<int>&B)
{
    if(A.size() < B.size()) return add(B , A);
    vector<int>C;
    int t = 0;
    for(int i = 0;i < A.size();i++)
    {
        t += A[i];
        if(i < B.size()) t += B[i];
        C.push_back(t % 10);
        t /= 10;
    }
    if(t) C.push_back(t);
    return C;
}
int main()
{
    string a , b;
    cin >> a >> b;
    vector<int>A,B;
    for(int i = a.size();i >= 0;i --) A.push_back(a[i] - '0');
    for(int i = b.size();i >= 0;i --) B.push_back(b[i] - '0');
    auto C = add(A,B);
    for(int i = C.size();i >= 0;i --)
    {
        cout << C[i];
    }
    return 0;
}